Add tapping logic

This patch adds tap-to-click, tap-and-hold for dragging, two-finger
and three-finger taps. Turned on by default for touch screens only;
switch on in gestures.c.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/mtouch.c b/src/mtouch.c
index 7272edf..14c0fd9 100644
--- a/src/mtouch.c
+++ b/src/mtouch.c
@@ -73,3 +73,11 @@ int parse_event(struct MTouch *mt, const struct input_event *ev)
 #endif
         return 1;
 }
+
+int mt_is_idle(struct MTouch *mt, int fd)
+{
+        return mt->mem.wait &&
+                evbuf_empty(&mt->dev.outbuf) &&
+                evbuf_empty(&mt->dev.inbuf) &&
+                poll_iobuf(&mt->buf, fd, mt->mem.wait) == 0;
+}